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+ - Pockets in graphene layers allow viewing of liquids with an electron microscope->

Submitted by slew
slew (2918) writes "Looking at liquids w/ a transmission electron microscope (TEM) to observe things like crystal growth has been difficult to do. This is because liquids need to be confined to a capsule to view them in a TEM (because the electrons are flying at the sample in a chamber near vaccuum pressures where liquids would evaporate or sublimate). Traditional capsules of Silicon Oxide or Silicon Nitride have been fairly opaque. This paper describes a new technique with a "pocket" created between two graphene layers which can hold liquids for observation by a TEM and the graphene is apparently much more transparent than previous materials allowing a better view of the processes (like crystalization), taking place in the liquid. Here's non-paywalled summary article..."
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Pockets in graphene layers allow viewing of liquids with an electron microscope

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It is contrary to reasoning to say that there is a vacuum or space in which there is absolutely nothing. -- Descartes

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